Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[304];
    Float64 /longitude[420];
    Float64 /longitude_time[420];
    Float64 /latitude[304];
    Float32 /depth[3325];
    Float64 /depth_time[3325];
} cell-Normal.nc4;